Isn't there sprays that do 12 foot distance available at your hardware store? I've used ones that project a foaming stream for at least 8 feet... as long as you cover the mouth of the nest and have your running shoes tied up tight, you should be able to deal with this. Otherwise, invest in a flame thrower.

Note that adblockers might block our captcha, and other functionality on BHW so if you don't see the captcha or see reduced functionality please disable adblockers to ensure full functionality, note we only allow relevant management verified ads on BHW.